assert math.inf**0 == 1 assert math.inf**math.inf == math.inf On Sun, Oct 18, 2020, 3:13 AM Wes Turner <wes.tur...@gmail.com> wrote:
> Thanks for your feedback Rob. > > On Sun, Oct 18, 2020, 12:27 AM Rob Cliffe via Python-ideas < > python-ideas@python.org> wrote: > >> >> >> On 11/10/2020 22:47, Wes Turner wrote: >> >> Indeed, perhaps virtual particles can never divide by zero and thus the >> observed laws of thermodynamic systems are preserved. >> >> Would you please be so kind as to respond in the main thread so that this >> is one consecutive thread? >> >> No, 2 times something is greater than something. Something over something >>> is 1. >>> If we change the division axiom to be piecewise with an exception only >>> for infinity, we could claim that any problem involving division of a >>> symbol is unsolvable because the symbol could be infinity. >>> This is incorrect: >>> x / 2 is unsolvable because x could be infinity >>> x / 2 > x / 3 (where x > 0; Z+) is indeterminate because if x is >>> infinity, then they are equal. >>> >> >> Which of these are you arguing should fail if Python changes to returning >> [+/-]inf instead of raising ZeroDivisionError? >> >> >>> assert 1 / 0 != 2 / 0 >>> assert 2*inf > inf >>> >> Both of them (assuming that they don't raise an exception). >> >> assert inf / inf == 1 >> >> That should raise an exception; inf/inf is meaningless (just as division >> by zero is meaningless with finite numbers). >> >> No offence Wes, but you are clearly not familiar with the subject of >> transfinite numbers as discovered by Cantor. I earnestly suggest you learn >> something about it before making statements which are - again, no offence >> intended, but frankly - nonsense. Transfinite numbers do not obey the same >> rules as finite numbers. Which can be counter-intuitive and take some >> getting used to, but ... that's the way it is. >> Best wishes >> Rob Cliffe >> _______________________________________________ >> Python-ideas mailing list -- python-ideas@python.org >> To unsubscribe send an email to python-ideas-le...@python.org >> https://mail.python.org/mailman3/lists/python-ideas.python.org/ >> Message archived at >> https://mail.python.org/archives/list/python-ideas@python.org/message/NKE6DETBHE4SCH3DTQREJTYPTDG3KXRA/ >> Code of Conduct: http://python.org/psf/codeofconduct/ >> >
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